"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : 验证超级用户和表空间的owner可以将表空间的权限授权给其他用户，并且可以回收
Create At   : 2022/3/23
Owner       : opentestcase012
Description :
    1.设置参数并重启数据库enableseparationofduty=on
    2.创建sysadmin用户和2个普通用户
    3.sysadmin用户连接,创建表空间,将表空间的all权限赋予普通用户1
    4.普通用户1连接,将表空间的all权限赋予普通用户2
    5.普通用户1连接,创建普通表
    6.普通用户2连接,创建临时表
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.创建失败
    6.创建成功
    7.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name1 = 'u_security_create_privilege_0006_01'
        self.u_name2 = 'u_security_create_privilege_0006_02'
        self.u_name3 = 'u_security_create_privilege_0006_03'
        self.ts_name = 'ts_security_create_privilege_0006'
        self.t_name = 't_security_create_privilege_0006'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=on; ' \
               'expect:成功-----'
        self.log.info(text)
        mod_msg = self.pri_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            'enableSeparationOfDuty=on')
        self.assertTrue(mod_msg, '执行失败:' + text)
        result = self.pri_sh.restart_db_cluster()
        self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建sysadmin用户和2个普通用户 expect:成功-----'
        self.log.info(text)
        create_cmd = f"drop tablespace if exists {self.ts_name};" \
            f"drop user if exists {self.u_name1},{self.u_name2}," \
            f"{self.u_name3} cascade; " \
            f"create user {self.u_name1} sysadmin password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name2} password '{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name3} password '{macro.COMMON_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)
        self.assertEqual(3, msg.count(self.constant.CREATE_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step3：sysadmin用户连接,创建表空间,将表空间的all权限赋予普通用户1; ' \
               'expect:成功-----'
        self.log.info(text)
        sql_cmd = f"drop tablespace if exists {self.ts_name};" \
            f"create tablespace {self.ts_name} relative " \
            f"location '{self.ts_name}';" \
            f"grant all on tablespace {self.ts_name} " \
            f"to {self.u_name2} with grant option;"
        connect_sys = f'-U {self.u_name1} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect_sys)
        self.log.info(msg)
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.TABLESPCE_CREATE_SUCCESS, msg,
                      '执行失败:' + text)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG, msg,
                      '执行失败:' + text)

        text = '-----step4：普通用户1连接,将表空间的all权限赋予普通用户2; expect:成功-----'
        self.log.info(text)
        create_cmd = f"grant all on tablespace {self.ts_name} " \
            f"to {self.u_name3} with grant option;"
        connect_nor1 = f'-U {self.u_name2} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(create_cmd, sql_type=connect_nor1)
        self.log.info(msg)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG, msg, '执行失败:' + text)

        text = '-----step5：普通用户1连接,创建普通表; expect:创建失败-----'
        self.log.info(text)
        create_cmd = f"drop table if exists public.{self.t_name}; " \
            f"create table public.{self.t_name}(id int primary key," \
            f"name varchar(100)) tablespace {self.ts_name};"
        msg = self.pri_sh.execut_db_sql(create_cmd, sql_type=connect_nor1)
        self.log.info(msg)
        self.assertIn('ERROR:  permission denied', msg, '执行失败:' + text)

        text = '-----step6：普通用户2连接,创建临时表; expect:创建成功-----'
        self.log.info(text)
        create_cmd = f"drop table if exists {self.t_name}; " \
            f"create local temp table {self.t_name}(" \
            f"id int primary key,name varchar(100)) " \
            f"tablespace {self.ts_name};"
        connect_nor2 = f'-U {self.u_name3} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(create_cmd, sql_type=connect_nor2)
        self.log.info(msg)
        self.assertIn(self.constant.CREATE_TABLE_SUCCESS, msg.splitlines()[2],
                      '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step7：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop tablespace if exists {self.ts_name};" \
            f"drop user if exists {self.u_name1},{self.u_name2}," \
            f"{self.u_name3} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.TABLESPCE_DROP_SUCCESS, drop_msg,
                      '执行失败:' + text1)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
